Myth or Fact?
People with Down syndrome are always happy
Myth. People with Down syndrome have the exact same set of emotions as people without.
What is Down syndrome caused by
An extra chromosome
What type of Down syndrome accounts for 95% of cases
Trisomy 21/nondisjunction
True or false. A lazy eye affects 70% of people with Down syndrome.
True
The life expectancy has increased by 35 years in the past 4 decades
Fact!
What chromosome does Down syndrome affect(chromosome #)
Chromosome 21
What % of Down syndrome cases are translocation
5%
Name a physical characteristic of Down syndrome
wider spaced eyes that slant upwards, smaller nose with flat bridge, microcephaly(smaller head size), low muscle tone, larger tongue, shorter neck, small hands and shorter fingers.
Less than 10% of children with Down syndrome are severely developmentally delayed
Fact!
What does the extra chromosome change?
The way the baby is born and how their brain develops.
What is the most rare type of Down syndrome?
Mosaicism
True or false. People with Down syndrome have longer necks
False. They have shorter necks.
Most people with Down syndrome are born to older parents
Myth. Although the mother being older than 35 increases the likelihood of Down syndrome, it’s not a cause
What % of Down syndrome is hereditary
1%
Chromosome wise, what is Trisomy 21?
Each cell in body has 3 separate copies of chromosome 21 instead of two
What % of Down syndrome cases have celiac disease
15%
All people with Down syndrome experience cognitive delays
Fact, although they can range from mild to severe, all people will experience cognitive delays.
What is the ratio for how many people Down syndrome affects
1 in 1000
What makes Mosaicism Down syndrome different than the other two?
Some of their cells have 3 copies of chromosome 21 but some cells have 2, it’s a mixture
What % of Down syndrome cases have a heart defect
50%